| − | Underachievement by nations allowing same sex marriage will be particularly evident.<ref>In the [[United States]], 44 out of 50 states prohibit same-sex marriage (Washington, D.C. also permits same-sex marriage), and 8 additional states permit civil unions. One state has declared same-sex marriage legal, but implementation is postponed until after a voter referendum on the law in November 2012.</ref> | + | Underachievement by nations allowing same sex marriage will be particularly evident.<ref>In the [[United States]], 44 out of 50 states prohibit same-sex marriage (Washington, D.C. also permits same-sex marriage), and 8 additional states permit civil unions. One state has declared same-sex marriage legal, but implementation is postponed until after a voter referendum on the law in November 2012. Additionally, in [[Mexico]], same-sex marriage is legal in Mexico City, a federal district roughly equivalent to Washington, DC. </ref> |